Galena Y Bridge (Stone County, Missouri)Opened November 1927, replacing an earlier truss bridge. Made obsolete by a new highway bridge in 1986 and closed to vehicular traffic.Five-span open-spandrel arch bridge with Y-shaped approach over James River at GalenaOpen to pedestrians only

Galvin Road Bridge (Berkshire County, Massachusetts)Built 1884; disassembled and relocated to University of Massachusetts AmherstLenticular through truss bridge over Hoosic River on Galvin RoadIn storage and awaiting reconstruction

Ganges Way Bridge (Allegheny County, Pennsylvania)Built 1951Slab bridge over Streets Run on Ganges WayOpen to traffic

Gannon Road Bridge (Vigo County, Indiana)Built ca. 1930Pony truss bridge over East Little Sugar Creek on Gannon RoadReplaced by a new bridge

Ganzer Road Bridge (Denton County, Texas)Built 1915Pony truss bridge over Milam Creek on Ganzer Road in DentonThe bridge has been relocated to a Frisco Parks Department temporary site. It is scheduled to be moved to the Cottonwood Creek Park, at the corner of Eldorado and Main Street (west of Legacy Parkway), in Fall 2014.

GAP - Casselman River Bridge (Confluence) (Somerset County, Pennsylvania)Buil 1911 for the Western Maryland Railway, Abandoned in the 1970s, Converted for pedstrian use 2001Deck plate girder bridge over Casselman River on Great Allegheny PassageOpen to pedestrians only

GAP - Hot Metal Bridge (Allegheny County, Pennsylvania)Built 1900 as a railroad bridge; Converted to pedestrian use in 2007Through truss bridge over the Monongahela River on the Great Allegheny PassageOne bridge is for pedestrians and the other is for auto traffic. Very good condition.

GAP - Riverton Bridge (Allegheny County, Pennsylvania)Built in 1891; converted into bike trail use in 2008Parker through truss bridge over Monongahela River on Pennsylvania Union Railroad (now Great Allegheny Passage)Open to pedestrians

GAP - Salisbury Viaduct (Somerset County, Pennsylvania)Built 1912, Abandoned 1975. Converted for pedestrian use 1998Deck plate girder bridge over Casselman River and US 219 on Great Allegheny PassageOpen to pedestrians

Garcia River Bridge (Mendocino County, California)Built 1938Warren Pony truss bridge over Garcia River on CA 1Open to traffic

Garden City Old US 31 Bridge (Cullman County, Alabama)Bridge made obsolete by the new US 31 bridge in 1960Parker through truss bridge over Mulberry Fork Black Warrior River on Old US 31 in Garden CityBridge is technically abandoned, but it is soon going to be officially a part of a walking trail and park.

Gateway Trail - Manning Avenue Overpass (Washington County, Minnesota)Built 1877, restored & re-opened in a new location 2011Camelback through truss bridge over Manning Avenue on Gateway TrailThis bridge was opened to bicycles, pedestrians, and horses in November 2011.

George C. Platt Bridge (Philadelphia County, Pennsylvania)Built 1949; rehabilitated 1984Cantilevered through truss bridge over Schuylkill River on PA 291 (Penrose Avenue) in PhiladelphiaOpen to traffic

George C. Wallace Tunnel (Mobile County, Alabama)Built 1973Dual four-lane tunnel under Mobile River on I-10 in MobileOpen to traffic

George Crady Bridge Fishing Pier State Park (Nassau County, Florida)Built 1948; Replaced by the adjacent bridge in 1999; Converted to pedestrian use 2003Deck plate girder swing bridge over Nassa Sound on George Crady Bridge Fishing Pier State ParkOpen to pedestrians only

George E. Tryon Bridge (Del Norte County, California)Built 1948Steel arch bridge over South Fork Smith River on South Fork RoadReplaced by a new bridge

George Mason Memorial Bridge (Washington, District of Columbia)Built 1960; rehabilitated 1984Steel stringer bridge over Potomac River on Interstate 395 southboundOpen to traffic

George Milroy Bridge (Pierce County, Washington)Built 1931Pennsylvania through truss bridge over Puyallup River on 66th Avenue E in FifeOpen to traffic

George N. Wade Memorial Bridge (Dauphin County, Pennsylvania)Built 1970Deck plate girder bridge over Susquehanna River on Interstate 81Open to traffic

George Road Bridge (Lake County, California)Built 1930; rehabilitated 1965Bailey pony truss bridge over Manning Creek on George RoadOpen to traffic

George Road Bridge (Delaware County, New York)Built 1907; rehabilitated 1974Pony truss bridge over Dry Brook on George RoadOpen to light traffic

George Rogers Clark Memorial Bridge (Jefferson County, Kentucky)Built 1929 by the American Bridge Co.; tolls removed 1946; rehabilitated 1958Cantilevered through truss bridge over Ohio River on US 31 between Louisville and JeffersonvilleOpen to traffic

George Sellar Bridge (Chelan County, Washington)Built 1950Steel arch and truss bridge over Columbia River on WA 285 in WenatcheeOpen to traffic

George Street Bridge (Dearborn County, Indiana)Built 1887 by Lomas Forge & Bridge Works; rehabilitated 1989 and 2011.Through truss bridge over Hogan Creek on George Street in AuroraOpen to two-lane traffic

George Washington Bridge (New York County, New York)Opened to traffic October 25, 1931; lower level opened August 29, 1962Suspension bridge over Hudson River on I-95 in New YorkOpen to a total of 14 lanes of traffic